Table 1.

Case distribution by different surgical factors (n).

	Fracture site		Fracture reduction		Direction of nail		Pattern of insertion
Item	Proximal	Distal	Satisfactory	Unsatisfactory	Antegrade	Retrograde	Reamed	Unreamed
Fracture	146	279	270	155	334	91	243	182
Nonunion	3	9	4	8	10	2	5	7
p	<0.05		<0.05		>0.05		<0.05